#include<iostream>
#include<cstring>
using namespace std;
int main(){
	string GROUP,COMET;
	
	cin>>COMET;
	cin>>GROUP;
	int group,comet;
	group=GROUP[0]*GROUP[1]*GROUP[2]*GROUP[3]*GROUP[4]*GROUP[5];
	comet=COMET[0]*COMET[1]*COMET[2]*COMET[3]*COMET[4]*COMET[5];
	if(group%47==comet%47){
		cout<<"GO"<<endl;
		return 0;
	}else{
		cout<<"STAY"<<endl;
		return 0;
	}

}